Sands, gravels and substrates price calculator

Specify price, quantity, a unit of weight or volume, and gravel. Selecting a unit of weight or volume from a single drop-down list, allows to indicate a price per entered quantity of the selected unit.

The gravels price calculator converts between prices for different weights and volumes. Selecting a unit of weight or volume from a single drop-down list, allows to indicate a price per entered quantity of the selected unit.

Reference

CaribSea
P.O. Box 13359
Fort Pierce, FL 34979

African Cichlid Mix™, Arag-Alive!™, CORALive™, Eco-Complete™,
FlorMax™, Instant Aquarium™ OceanDirect™ and Super Naturals™ are
products of CaribSea. See CaribSea web site for detailed information about their products.
The CaribSea gravels and substrate density information last accessed on 1 August 2018.
This site or its parent company AVCalc LLC is NOT affiliated with, funded by, or in any
way associated with CaribSea.

Weights and Measurements

Kilometer per hour (km/h) or kph is a derived metric SI (System International) measurement unit of speed or velocity with which to measure how many kilometers traveled per one hour.[...]

The frequency is defined as an interval of time, during which a physical system, e.g. electrical current or a wave, performs a full oscillation and returns to its original momentary state, in both sign (direction) and in value, is called the oscillation period of this physical system.[...]